KR101721815B1 - 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 - Google Patents

고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 Download PDF

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KR101721815B1
KR101721815B1 KR1020167002383A KR20167002383A KR101721815B1 KR 101721815 B1 KR101721815 B1 KR 101721815B1 KR 1020167002383 A KR1020167002383 A KR 1020167002383A KR 20167002383 A KR20167002383 A KR 20167002383A KR 101721815 B1 KR101721815 B1 KR 101721815B1
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KR20160025598A (ko
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데이비드 플린
데이크 헤
뉴옌 뉴옌
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블랙베리 리미티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process

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  • Compression Or Coding Systems Of Tv Signals (AREA)
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KR1020167002383A 2013-06-28 2014-06-09 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 Active KR101721815B1 (ko)

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EP13174435.1A EP2843949B1 (en) 2013-06-28 2013-06-28 Methods and devices for emulating low-fidelity coding in a high-fidelity coder
EP13174435.1 2013-06-28
PCT/CA2014/050531 WO2014205561A1 (en) 2013-06-28 2014-06-09 Methods and devices for emulating low-fidelity coding in a high-fidelity coder

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135655A1 (ko) * 2018-01-08 2019-07-11 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020251269A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3304912A4 (en) * 2015-06-07 2018-06-06 Sharp Kabushiki Kaisha Systems and methods for optimizing video coding based on a luminance transfer function or video color component values
US11039175B2 (en) 2016-05-27 2021-06-15 Sharp Kabushiki Kaisha Systems and methods for varying quantization parameters
EP3488610B1 (en) * 2016-07-22 2025-11-26 Sharp Kabushiki Kaisha Device and method for decoding video data using adaptive component scaling
EP3507980A4 (en) * 2016-09-20 2020-02-19 Mediatek Inc. METHODS AND APPARATUSES FOR PROCESSING ADAPTIVE SAMPLE OFFSET IN VIDEO CODING
KR20190020161A (ko) * 2016-10-10 2019-02-27 삼성전자주식회사 루마 블록 및 크로마 블록을 부호화 또는 복호화하는 방법 및 장치
US20210337202A1 (en) * 2017-06-21 2021-10-28 Vid Scale, Inc. Adaptive quantization method for 360-degree video coding
US11019338B2 (en) * 2018-02-01 2021-05-25 Mediatek Inc. Methods and apparatuses of video encoding or decoding with adaptive quantization of video data
KR102710009B1 (ko) * 2018-03-30 2024-09-26 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩에서의 크로마 양자화 파라미터 조정
EP3811620A1 (en) 2018-06-21 2021-04-28 InterDigital VC Holdings, Inc. Refinement mode processing in video encoding and decoding
JP7343573B2 (ja) 2018-09-21 2023-09-12 華為技術有限公司 逆量子化のための装置及び方法
US12177446B2 (en) 2018-09-24 2024-12-24 Interdigital Vc Holdings, Inc. Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma
EP3912345A4 (en) * 2019-01-16 2022-11-09 Sharp Kabushiki Kaisha Systems and methods for deriving quantization parameters for video blocks in video coding
CN113383547B (zh) 2019-02-01 2025-09-26 北京字节跳动网络技术有限公司 环路整形和帧间编解码工具之间的相互作用
KR20210129647A (ko) 2019-02-24 2021-10-28 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 팔레트 모드 사용 지시의 독립적인 코딩
CN113454998B (zh) * 2019-03-05 2025-07-11 中兴通讯股份有限公司 视频编码中的跨分量量化
WO2020182091A1 (en) 2019-03-08 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Reshaping model in video processing
CN117499644A (zh) 2019-03-14 2024-02-02 北京字节跳动网络技术有限公司 环路整形信息的信令和语法
WO2020192613A1 (en) * 2019-03-23 2020-10-01 Beijing Bytedance Network Technology Co., Ltd. Restrictions on in-loop reshaping parameter sets
PH12021552544A1 (en) 2019-04-18 2022-07-04 Beijing Bytedance Network Tech Co Ltd Restriction on applicability of cross component mode
CN117579841A (zh) 2019-04-23 2024-02-20 北京字节跳动网络技术有限公司 降低跨分量依赖性的方法
EP3949402A4 (en) 2019-04-26 2022-06-08 Huawei Technologies Co., Ltd. METHOD AND DEVICE FOR SIGNALING THE MAPPING FUNCTION OF A CHROMA QUANTIZATION PARAMETER
CN113728627B (zh) * 2019-04-26 2023-09-19 北京字节跳动网络技术有限公司 用于环路内重构的参数的预测
WO2020224629A1 (en) 2019-05-08 2020-11-12 Beijing Bytedance Network Technology Co., Ltd. Conditions for applicability of cross-component coding
WO2020228764A1 (en) * 2019-05-14 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Methods on scaling in video coding
WO2020249762A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder, methods and computer programs with an improved transform based scaling
WO2020259427A1 (en) 2019-06-22 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Syntax element for chroma residual scaling
CN119767004A (zh) 2019-06-28 2025-04-04 Lg 电子株式会社 用于色度量化参数数据的图像解码方法及其装置
EP3977738A4 (en) 2019-07-07 2022-08-17 Beijing Bytedance Network Technology Co., Ltd. SIGNALING OF CHROMA RESIDUAL SCALE
KR20220032520A (ko) 2019-07-20 2022-03-15 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 팔레트 모드 사용 지시의 조건 종속적인 코딩
CN114145013B (zh) * 2019-07-23 2023-11-14 北京字节跳动网络技术有限公司 调色板模式编解码的模式确定
US11277611B2 (en) * 2019-07-24 2022-03-15 Qualcomm Incorporated Delta quantization parameter (QP) signaling in palette mode
WO2021018166A1 (en) 2019-07-29 2021-02-04 Beijing Bytedance Network Technology Co., Ltd. Scanning order improvements for palette mode coding
PL4020986T3 (pl) * 2019-08-22 2024-10-07 Lg Electronics Inc. Sposób dekodowania obrazu z wykorzystaniem parametru kwantyzacji chroma, i służące do tego urządzenie
EP4598021A3 (en) * 2019-08-27 2025-10-29 Hyundai Motor Company Video encoding and decoding using differential coding
KR20230127375A (ko) 2019-09-23 2023-08-31 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서의 양자화 및 역-양자화 디자인을 위한 방법 및 장치
US11310533B2 (en) * 2019-09-27 2022-04-19 Qualcomm Incorporated Quantization parameter signaling for joint chroma residual mode in video coding
US20210160481A1 (en) * 2019-11-26 2021-05-27 Qualcomm Incorporated Flexible signaling of qp offset for adaptive color transform in video coding
EP4070547B1 (en) * 2019-12-06 2025-07-02 InterDigital CE Patent Holdings, SAS Scaling process for joint chroma coded blocks
CN114868388B (zh) * 2019-12-27 2025-03-07 北京达佳互联信息技术有限公司 在4：4：4色度格式下进行视频编解码的方法和装置
US11803989B2 (en) * 2020-01-08 2023-10-31 Qualcomm Incorporated Quantization for geometry-based point cloud compression
WO2021142446A1 (en) 2020-01-11 2021-07-15 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video coding using palette mode
US12355964B2 (en) * 2020-03-12 2025-07-08 Interdigital Ce Patent Holdings, Sas High-level constraint flag for local chroma quantization parameter control
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US12047593B2 (en) * 2020-10-02 2024-07-23 Tencent America LLC Method and apparatus for video coding
CN113613008A (zh) * 2021-08-20 2021-11-05 百果园技术(新加坡)有限公司 一种视频编解码的方法、装置、电子设备及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7848408B2 (en) * 2005-01-28 2010-12-07 Broadcom Corporation Method and system for parameter generation for digital noise reduction based on bitstream properties
US8243797B2 (en) * 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8571106B2 (en) * 2008-05-22 2013-10-29 Microsoft Corporation Digital video compression acceleration based on motion vectors produced by cameras
US8897359B2 (en) * 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US9854275B2 (en) * 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Chroma QP range extension", Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, JCTVC-J0342 (2012.7.11.)*

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135655A1 (ko) * 2018-01-08 2019-07-11 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020251269A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
US11533500B2 (en) 2019-06-11 2022-12-20 Lg Electronics Inc. Image decoding method and device therefor
US11825108B2 (en) 2019-06-11 2023-11-21 Lg Electronics Inc. Image decoding method and device therefor

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EP4366308A2 (en) 2024-05-08
EP2843949A1 (en) 2015-03-04
JP6691253B2 (ja) 2020-04-28
EP4366308A3 (en) 2024-07-10
KR20160025598A (ko) 2016-03-08
CN105359521A (zh) 2016-02-24
EP3598751A2 (en) 2020-01-22
JP2019146263A (ja) 2019-08-29
JP2016528768A (ja) 2016-09-15
JP6527859B2 (ja) 2019-06-05
EP2843949B1 (en) 2020-04-29
HK1208107A1 (en) 2016-02-19
CN105359521B (zh) 2020-06-26
JP6907373B2 (ja) 2021-07-21
WO2014205561A1 (en) 2014-12-31
EP3598751B1 (en) 2024-04-10
JP2020115675A (ja) 2020-07-30
EP3598751A3 (en) 2020-04-08

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